body {
    background: #f4f5f5;
}

.container {
    padding-top: 80px;
}

.book-info-view {
    margin-top: 0;
    min-height: 600px;
}

.book-card {
    width: 720px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 12px;
    position: relative;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, .15);
    background-color: #fff;
}

.book-info {
    padding: 20px;
}

.book-info .poster {
    width: 130px;
    height: 182px;
    border-radius: 2px;
    background-repeat: no-repeat;
    float: left;
    margin-right: 20px;
}

.book-info .poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.book-info .info {
    margin-left: 150px;
    font-size: 14px;
    min-height: 182px;
}

.book-info .info .title-line .title {
    font-size: 20px;
    font-weight: 700;
    color: #333;
}

.book-info .info .title-line .title:hover {
    color: #ea6f5a;
    text-decoration: none;
}

.book-info .info .media {
    display: flex;
    flex-direction: column;
}

.book-info .info .media .desc {
    margin-top: 10px;
    min-height: 40px;
    line-height: 20px;
    overflow: hidden;
    color: #71777c;
}

.book-info .info .media .author {
    position: relative;
    display: flex;
    align-items: center;
    margin-top: 12px;
}

.book-info .info .media .author .author-info {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    color: #333;
}

.book-info .info .media .author .author-info .user {
    display: flex;
    align-items: center;
    color: #000;
}

.book-info .info .media .author .author-info .user:hover {
    text-decoration: none;
}

.book-info .info .media .author .author-info .hero {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    margin-right: 8px;
}

.book-info .info .title-line .title .presale {
    vertical-align: middle;
    display: inline-block;
    padding-left: 6px;
    padding-right: 6px;
    margin-top: -3px;
    height: 20px;
    line-height: 20px;
    color: #fff;
    font-size: 12px;
    cursor: default;
    margin-right: 8px;
    border-radius: 2px;
    background-color: #ed7b11;
}

.lazy {
    position: relative;
}

.book-info .avatar {
    display: inline-block;
    position: relative;
    background-position: 50%;
    background-size: cover;
    background-repeat: no-repeat;
    background-color: #eee;
}


.lazy.loaded:before {
    opacity: 0;
    pointer-events: none;
}

.lazy:not(.immediate):before {
    transition: opacity .2s;
}

.lazy:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: inherit;
    border-radius: inherit;
}

.book-info .info .media .author .author-desc {
    color: #71777c;
    flex-grow: 1;
    margin-left: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.add-group {
    height: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    margin-right: 10px;
}

.book-info .info .media .add-group {
    height: auto;
    display: none;
}

.add-group img {
    width: 18px;
    display: block;
}

.add-group span {
    font-size: 12px;
    margin-left: 5px;
    color: #b3bac2;
}

.book-info .other {
    margin-top: 25px;
    position: relative;
}

.button, button {
    -webkit-appearance: none;
    appearance: none;
    background-color: #007fff;
    color: #fff;
    border-radius: 2px;
    border: none;
    padding: .12px 30px;
    outline: none;
    transition: background-color .3s, color .3s;
    cursor: pointer;
}

.button--buy {
    height: 40px;
    font-size: 16px;
    padding-left: 30px;
    padding-right: 30px;
    background-color: #ea6f5a;
    color: #fff;
    text-align: center;
}

.right-side {
    position: absolute;
    right: 0;
    top: 5px;
    display: flex;
    align-items: center;
    height: 30px;
}

.book-new-user-coupon {
    position: relative;
    height: 28px;
    margin-right: 5px;
    display: flex;
    justify-content: flex-end;
}

.book-new-user-coupon .icon {
    cursor: pointer;
}

.book-new-user-coupon .icon img {
    height: 28px;
}

.book-new-user-coupon .card {
    display: none;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    right: 28px;
    line-height: 1;
    color: #8b572a;
    padding: 5px;
    background: -webkit-gradient(linear, right top, left top, from(#eed7a1), to(#fdedc9));
    background: -webkit-linear-gradient(right, #eed7a1, #fdedc9);
    background: linear-gradient(180deg, #eed7a1, #fdedc9);
    background: -webkit-linear-gradient(180deg, #eed7a1, #fdedc9);
    font-size: 12px;
    border-radius: 2px;
    margin-right: 8px;
    font-weight: 400;
}

.book-bought {
    display: flex;
    align-items: center;
    padding: 8px 22px 8px 15px;
    border-top: 1px solid #ecf0f3;
    cursor: pointer;
}

.book-bought .label {
    display: inline-flex;
    align-items: center;
    color: #666;
    font-size: 16px;
    font-weight: 400;
    flex-shrink: 0;
}

.book-bought {
    display: flex;
    align-items: center;
    padding: 8px 22px 8px 15px;
    border-top: 1px solid #ecf0f3;
    cursor: pointer;
}

.book-bought .label {
    display: inline-flex;
    align-items: center;
    color: #666;
    font-size: 16px;
    font-weight: 400;
    flex-shrink: 0;
}

.book-bought .users {
    flex-grow: 1;
    margin-left: 24px;
    display: inline-flex;
    flex-wrap: wrap;
    height: 24px;
    overflow: hidden;
}

.book-bought .users .user {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    margin-left: 10px;
    border-radius: 50%;
    background-size: cover;
}

.book-bought .users .user:first-child {
    margin-left: 0;
}

.button--write {
    height: 40px;
    font-size: 16px;
    padding-left: 30px;
    padding-right: 30px;
    color: #71777c;
    text-align: center;
    background-color: #fff;
    border: 1px solid #aeb6c0;
    margin-left: 5px;
}

.button--buy:not(:disabled):hover {
    background-color: #ec6149;
}

.button--write:not(:disabled):hover {
    background-color: #f3f3f3;
}

.corner-mark {
    font-size: 13px;
    font-weight: 700;
    position: absolute;
    cursor: pointer;
    right: 0;
    top: 65px;
    z-index: 2;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    height: 34px;
    padding-left: 18px;
    padding-right: 6px;
    background-image: url(../../images/handbook/corner-mark.png);
    background-repeat: no-repeat;
    color: #ef8625;
    background-size: auto 100%;
    background-position: 0;
}

.book-menu-wrap {
    width: 100%;
    background: #fff;
}

.book-menu {
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    height: 50px;
    line-height: 50px;
    position: relative;
    border-bottom: 1px solid #ecf0f3;
}

.book-menu .item {
    padding-left: 20px;
    padding-right: 20px;
    font-size: 16px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.book-menu .item.active {
    color: #ea6f5a;
    border-bottom: 2px solid #ea6f5a;
}

.book-menu .item .text {
    vertical-align: middle;
}

.book-menu .item .badge {
    vertical-align: middle;
    height: 16px;
    color: #df6753;
    padding: 0 6px;
    background-color:#ffede9;
    font-size: 12px;
    line-height: 16px;
    border-radius: 8px;
    margin-left: 6px;
}

.book-content {
    padding: 30px;
}

.book-content .book-content-head {
    position: relative;
    font-weight: 700;
    margin-bottom: 20px;
    color: #333;
    line-height: 1.5;
    padding-bottom: 12px;
    font-size: 24px;
    border-bottom: 1px solid #ececec;
}

.section-of-info {
    color: #000;
}

.section {
    position: relative;
    min-height: 75px;
    cursor: default;
    padding-left: 20px;
    padding-right: 35px;
    border-radius: 2px;
    font-size: 14px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    color: #8f9193;
}

.section.section-link {
    cursor: pointer;
}

.section.section-link:hover {
    text-decoration: none;
}

.section-of-info .section {
    position: relative;
    min-height: 70px;
}

.section-of-info .section:hover {
    border-radius: 2px;
    background-color: hsla(0, 0%, 84.7%, .2);
}

.section .step {
    align-items: center;
    display: flex;
    margin-right: 15px;
    align-self: stretch;
    position: relative;
}

.section .step .step-btn {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    font-size: 16px;
    border-radius: 50%;
    border: 2px solid #b5b7ba;
    color: #b5b7ba;
    box-sizing: border-box;
    text-align: center;
    background-color: #fff;
    z-index: 1;
}

.section-of-info .section .step .step-btn {
    width: 45px;
    height: 45px;
    border-width: 3px;
    font-size: 18px;
}

.section .step:after, .section .step:before {
    z-index: 0;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    background-color: #b5b7ba;
    height: 50%;
    content: "";
}

.section .step:before {
    top: 0;
}

.section-of-info .section:first-child .step:before {
    top: 50%;
}

.section .step:after {
    top: 50%;
}

.section-of-info .section:last-child .step:after {
    top: 0;
}

.section-of-info .section .step:after, .section-of-info .section .step:before {
    width: 2px;
}

.center {
    margin-left: auto;
    margin-right: auto;
}

.section .center {
    flex-grow: 1;
    padding-top: 12px;
    padding-bottom: 12px;
}

.section .center .title {
    font-size: 16px;
    line-height: normal;
}

.section-of-info .section .title {
    color: #000;
}

.section .center .sub-line {
    display: flex;
    align-items: center;
    margin-top: 3px;
}

.section .center .sub-line .to-read {
    flex-shrink: 0;
    width: 40px;
    height: 20px;
    color: #fff;
    line-height: 20px;
    border-radius: 2px;
    margin-right: 10px;
    text-align: center;
    font-size: 12px;
    background-color: #fa5600;
}

.section .center .sub-line .statistics {
    color: #b2bac2;
    font-size: 12px;
    display: flex;
    flex-wrap: wrap;
}

.section .center .sub-line .statistics span {
    margin-right: 12px;
}

.section-of-info .aside {
    display: none;
}

.book-section-view {
    padding: 1px 30px 30px;
}

.article-content {
    word-break: break-word;
    line-height: 1.75;
    font-weight: 400;
    font-size: 15px;
    overflow-x: hidden;
}

.article-content h2 {
    padding-bottom: 12px;
    font-size: 24px;
    border-bottom: 1px solid #ececec;
    color: #333;
    line-height: 1.5;
    margin-top: 35px;
    margin-bottom: 10px;
}

.book-card .header {
    height: 50px;
    border-bottom: 1px solid #eceded;
    line-height: 50px;
    padding-left: 25px;
    font-size: 16px;
    background-color: #fff;
}

.handbooks {
    width: 700px;
    box-shadow: 0 1px 3px 0 rgba(4, 5, 13, .23);
}

.handbooks .item {
    display: flex;
    padding: 25px;
    box-sizing: border-box;
    background-color: #fff;
    position: relative;
    border-bottom: 1px solid #e6e8e8;
}

.handbooks .item:hover {
    text-decoration: none;
    background-color: #f7f9f9;
}

.handbooks .item:not(:last-child) {
    border-bottom: 1px solid #e6e8e8;
}

.handbooks .poster {
    width: 100px;
    height: 140px;
    flex-shrink: 0;
    box-shadow: 3px 4px 12px 0 rgba(0, 0, 0, .2);
    overflow: hidden;
    background-color: #ccc;
}

.handbooks .poster .poster-img {
    height: 100%;
    width: 100%;
    background-position: 50%;
    background-repeat: no-repeat;
    background-size: cover;
}

.handbooks .lazy {
    position: relative;
}

.handbooks .info {
    position: relative;
    flex-grow: 1;
    overflow: hidden;
    box-sizing: border-box;
    font-size: 14px;
    color: #2e3135;
    padding-left: 22px;
}

.handbooks .info .title {
    color: inherit;
    font-size: 20px;
    font-weight: 400;
}

.handbooks .info .title:hover {
    text-decoration: none;
    color: #ea6f5a;
}

.handbooks .info .title .presale {
    display: inline-block;
    vertical-align: middle;
    padding-left: 6px;
    padding-right: 6px;
    height: 20px;
    margin-top: -3px;
    line-height: 20px;
    color: #fff;
    font-size: 12px;
    cursor: default;
    margin-right: 8px;
    border-radius: 2px;
    background-color: #ed7b11;
}

.handbooks .info .desc {
    margin-top: 5px;
    line-height: 20px;
    height: 20px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    color: #71777c;
}

.handbooks .info .author {
    display: flex;
    align-items: center;
    margin-top: 6px;
    overflow: hidden;
    white-space: nowrap;
}

.handbooks .info .author .author-info {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.handbooks .info .author .user {
    display: inline-flex;
    align-items: center;
    color: #000;
}

.handbooks .info .author .user:hover {
    text-decoration: none;
}

.handbooks .info .author .hero {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    margin-right: 8px;
    background-position: 50%;
    background-size: cover;
    background-repeat: no-repeat;
}

.handbooks .info .author .author-desc {
    color: #71777c;
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.handbooks .info .author .author-desc .selfDescription {
    margin-left: 10px;
    margin-right: 10px;
}

.handbooks .info .other {
    margin-top: 6px;
    display: flex;
    align-items: center;
}

.handbooks .info .other .price {
    color: #ed7b11;
    font-size: 18px;
    margin-right: 15px;
    display: inline-flex;
    align-items: center;
}

.handbooks .info .other span.message {
    opacity: .6;
    font-size: 13px;
    color: #71777c;
}

.handbooks .info .other span.message.presale {
    color: #ed7b11;
}

.handbooks .info .footer-bar {
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.handbooks-aside {
    position: absolute;
    right: 0;
    top: 0;
    width: 240px;
}

.handbooks {
    width: 100%;
    box-shadow: none;
}

.copy-right-box {
    height: 20px;
    margin-bottom: 40px;
}

.copy-right {
    text-align: center;
    font-size: 14px;
    opacity: .7;
    color: #3a4e64;
}